Musculoskeletal System

Question 1

Smooth Muscle?

Answer 1

Overlapping cells in sheets and bundles, found in visceral structures.

Question 2

Cardiac Muscle?

Answer 2

Made up of branched muscle cells linked by discs

Question 3

Skeletal Muscle?

Answer 3

Individual muscle fibres grouped together in bundles

Question 4

A sarcomere is comprised of what protein filaments?

Answer 4

actin and myosin

Question 5

Actin is what kind of filament?

Answer 5

Thin

Question 6

Myosin is what type of filament?

Answer 6

thick

Question 7

What are the two types of muscle contraction?

Answer 7

Isotonic and Isometric

Question 8

Isometric Contraction?

Answer 8

No change in length of the muscle

Question 9

Isotonic Contraction?

Answer 9

shortening on muscle

Question 10

Hypertrophy?

Answer 10

increase in muscle fibres resulting in muscle that is larger in mass

Question 11

atrophy?

Answer 11

reduction in muscle fibres resulting in weakness and muscle wastage

Question 12

Antagonist

Answer 12

muscle responsible for opposing action to that of the prime mover

Question 13

Synergist

Answer 13

Muscles that contract at the same time as the prime mover

Question 14

Fixator

Answer 14

Muscles that may act to stabilise a joint

Question 15

Agonist

Answer 15

Muscles that cause the desired primary movement of the joint

Question 16

Tendons connect what to bone?

Answer 16

Muscle

Question 17

Axial Skeleton?

Answer 17

central core of body - skull, ears, neck, back, ribcage

Question 18

Appendicular Skeleton?

Answer 18

The bones that attach to your axial skeleton - bones in shoulders, pelvis, limbs

Question 19

Osteoblasts

Answer 19

immature cells that can synthesise osteoid

Question 20

Osteoclasts

Answer 20

Cells that can break down and remodel bone

Question 21

Osteocytes

Answer 21

Mature bone cells that maintain bone structure

Question 22

Order of vetebrae?

Answer 22

Cervical -> Thoracic -> Lumbar -> Sacral -> Coccygeal